Tool-operating attachment for planers or shapers



Feb. 16 1926. 1,572,978 H. w. WATSON TOOL OPERATING ATTACHMENT FOR PLANERS 0R SHAPERS Filed Sept. 16, 1922 2 sheets-sheet 1 Patented Feb. 16, 1926.

HARRY W WATSON, F MEMPHIS, TENNESSEE. I

TOOL-OPERATING- ATTA'CHMENT FOR PLANEES OR SHAPERS.

Application filed September 16, 1922. Serial No. 588,620.

To all whom it may concern:

Be it known that I, HARRY lV. Varsom a citizen of the UnitedStates; lVIemphis, in the county of Shelb residing at y and State of Tennessee, have invented certain new and useful Improvements in a Tool-Operating Attachment for Planers or Shapers? and I do hereby declare the following to be a full,

clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. i a V This MIX/611M011 relates to an attachment for planing or shaping machines.

It is aimed to provide an whereby the tool will efiiciently attachment operate in a curved or inclined path with respect to the axis of the carriage so that the machine .will have greater range of use and will particularly enable it to accomplish certain work now done by hand files, for instance the machining of the vanes of pump runners, to afford greater efliciency and accuracy in the performance of such work,

save labor and enable more efiicient operation of the pump itself. It is to be understood of course that a limitation to this particu not to be implied.

Another object is to provide tion which is attachable to the lar work is a construchead of a the reciprocation of the carriage of the machine in cooperation with a cam means on the frame or table of the machin Additional objects .andadvantages will become apparent from a consideration of the description following taken in connection with accompanying drawings illustrating one practical embodiment.

In said draw1ngs:

Figure 1 is a side elevation illustrating the attachment placed on a planer or latter being shown fragmentarily;

shaper, the

Figure 2 is an enlarged perspective view of the attachment alone; 7

:Figure 3 is a cross sectional i 11%;? @739? Figure-1;

Figure 4 is a cross sectional view on the line 4-4 of Figure 1;

Figure 5 is a longitudinal detail cross sectional view on the line 55 of Figure l;

Figure 6 is a detail perspective view illustrating a modified form of cam and attaching means.

Like reference characters designate like or similar parts i u the different views.

A planer or shaper has been convention-- ally and fragmentarily illustrated in the drawings to facilitate an understanding of my attachment. Such machine comprises a frame or table A upon which the work is suitable means and B designates the reciprocatory carriage which moves the tool with respect to the work. This carriage B has a head as'usual as at C.

In reducing the invention to practice, a securing block of any suitable shape is provided as at 10 and adapted to have screws as at 11 passed therethrough and engageable with the head C to secure the parts in place.

Vertically reciprocable on the attaching block 10 is a tool-carrying means generally designated 12. This means 12 includes a slider block 13, directly slidable on the block 10 having side flanges 14: overlapped by retaining flanges 15 on the block 10. Sliderl?) as well as the entire tool carrying means is suspended by a rod 16 which is slidable through a guide plate 17, preferably arcuate as shown so as to conform to the outer edge of the head Owhich it engages and which is adapted to be secured in place as through.

supported and secured as usual and by any the medium of fasteningbolts 18 passing such tool'carrying means. a i

A cross feed block is provided at 21, adapted for horizontal sliding movement throughmanipulation of a cross feed screw having a r nk r hassl of we e" to enable the tool 27 to avoid binding withaccording to the work it is adapted to perform and removably carried by a holder 28, preferably passing through a slot 29 thereof and secured in place by a binding screw 30 threaded on said holder. Tool holder 28 extends from an apron 31, either ren'iovably or rigidly as preferred and which apron is pivoted as usual as at 32 so that it may swing the work on the return stroke of the car-- riage. A down feed screw 33 associated with the cross feed bl c g 21, being provided with a suitable operating crank or handle at .Screw 33 is journaled as in alug 83 of slider block 13 and is held against sliding movement by nuts or collars 33". Said screw 33 is operatively threaded in a lug 33 of feed blot-1:21. I,

Depending from the slider 13 is an arm This arm may be attached to the lower end of the slider or to one side thereof or otherwise as preferred. Thelower end of arm 35 has a hole therethrough through which astud 86 is adapted to be passed and which has an abutment flange 37 integral therewith to engage one side of the arm 35 and which is screw threaded so that a nut 38 may be screwed thereon into engagement with the other side of the arm and thus rigidly secure it to the arm. A sleeve or roller 39 is journaled on the other end of the stud 86.

A bracket 39 is adapted to be fast-cued to the frame A and it is substantially 'U- shape in cross section so as to provide a groove 1-0 and upper and lower-track rails 41 extending over the groove and being cam shape as shown, for instance inclined, curved regular or irregular or otherwise. This bracket 39* is secured in place in any suit able manner as by means of fastening plates at through the medium of bolts 48 adapted to enter the frame or table A... Slidably disposed in the groove 10 is a block at and said block has an opening which is occupied by the roller 89 and adjacent portion of the stud 36.

It will be seen that with the tool 27 in place, and the carriage B reciprocating as usual in machines" of this character, tool carrying means 12 will be moved vertically simultaneously with such reciprocation and through the reciprocatory movement, thus elei' ating-the entire tool carrying means, and

particularly the tool. 27,, as, the same thus follows a. path .similartothe curvature of th groove dii t th apn a-1on1 1f the arm 35 to the slider 13 and with the block 44 through the medium of the stud 36 and friction reducing roller or sleeve 39. Thus will it be realized that simultaneously with the reciprocatory movement of the tool, it is also moved vertically with respect to the axis of the carriage B so that, instead of beingcapable of operating in the same plane as usual, it is capable of operating on an inclined or a curved surface.

It has proven particularly useful in machining the vanes of pump runners, accomplishing work which is usually done by means of hand file's, rendering the work more accurate and capable of accomplishment at a considerable saving in labor.

As merely one practical embodiment has been illustrated. and described, it will be understood-that various changes in the. detials may, be resorted to provided they fall within the spirit and scope of the invention, for instance and as shown in Figure 6, cam bracket 89 may be supported'on the top of the frame or table A- rather than at the side thereof as illustrated in Figures 1 to 5. To this end, the bracket 39" may be bolted or otherwise fastened as at 45 to an angle iron or bracket 46 which in turn may be fastened on the top of the frame or table A in any suitable manner and for instance by means of screws or bolts 4-7.

I claim as my'invention:-

1. In a shaper, a slidable carriage, a tool movable with the carriage, and guide means arranged parallel with the movement of the carriage to move the tool in a direction transversely to the movement of the carriage.

2. In a shaper, a slidable carriage, a tool movable therewith, a track arranged parallelwith the movement of the carriage, and means cooperating with said track adapted to move said tool transverse to the path of movement of said carriage.

3. In a shaper, slidable carriage, a tool, means to mount said tool for sliding move ment transversely of the carriage, and means to impartsaid movement to the tool including an arm extending from said means, and a camtrackfor said arm, said cam track being arranged parallel with the movement of the carriage. Y

1,. In ashaper, a slidable carriage, a. slider, securin plate for said slider attachable to the carriage, spring means to sustain the weight ofthe slider, a tool carried by the slider, and means coacting with the sliderto impart movement thereto transverse to the path of movement of the carriage. f i

5; Ina shaper, a slldable carriage, a tool,

means mounting said tool for movement transversely of the carriage, cam" means as emitt di h the latter means to impart the movement thereto, and resilient means to normally sustain the Weight of the latter means. a

6.111 a shaper, a slidable carriage, a slider movable transversely thereof, a securing plate on said carriage for said slider a guide plate, a rod extending from said slider and through said guide plate, a spring on said rod engaging said guide plate, an

abutment on said rod engaged by said spring, said spring being expansive, an arm extending from said slider, a stud on said arm, a slide block engaged by said stud, a cam means for said slide block, and atool carried by the slider.

In testimony whereof I affix my signature.

HARRY lV. WATSON. 

